PL10089B1 - Lead bearing alloys containing zinc. - Google Patents
Lead bearing alloys containing zinc. Download PDFInfo
- Publication number
- PL10089B1 PL10089B1 PL10089A PL1008927A PL10089B1 PL 10089 B1 PL10089 B1 PL 10089B1 PL 10089 A PL10089 A PL 10089A PL 1008927 A PL1008927 A PL 1008927A PL 10089 B1 PL10089 B1 PL 10089B1
- Authority
- PL
- Poland
- Prior art keywords
- alloy
- zinc
- alloys containing
- containing zinc
- lead bearing
- Prior art date
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- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 title claims description 12
- 229910052725 zinc Inorganic materials 0.000 title claims description 12
- 239000011701 zinc Substances 0.000 title claims description 12
- 239000001996 bearing alloy Substances 0.000 title claims description 4
- 229910045601 alloy Inorganic materials 0.000 claims description 8
- 239000000956 alloy Substances 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 150000002739 metals Chemical class 0.000 claims description 5
- 229910001297 Zn alloy Inorganic materials 0.000 claims description 2
- 239000002019 doping agent Substances 0.000 claims 1
- 230000035939 shock Effects 0.000 claims 1
- 230000009466 transformation Effects 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229910000978 Pb alloy Inorganic materials 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 229910052790 beryllium Inorganic materials 0.000 description 1
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- -1 etc. Chemical compound 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- JQJCSZOEVBFDKO-UHFFFAOYSA-N lead zinc Chemical compound [Zn].[Pb] JQJCSZOEVBFDKO-UHFFFAOYSA-N 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 238000010583 slow cooling Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Description
Cynk krystalizuje sie w dwóch odmia¬ nach; najczesciej ma sie do czynienia z dobrze znana odmiana zwana (3, podczas gdy cynk a otrzymuje sie tylko w scisle okreslonych warunkach. Odmiane a od¬ kryl le Chatelier; temperatura przemiany wynosi okolo 350°C i jest zawarta w kaz¬ dym razie w granicach od 340°—360°C, Przedmiot niniejszego wynalazku sta¬ nowi olowiany stop lozyskowy zawierajacy cynk nie w postaci P, lecz w postaci a, który nadaje wymienionemu stopowi wla¬ snosci odmienne niz cynk (3 Mianowicie mala domieszka cynku a zwieksza wytrzy¬ malosc olowiu na zgniatanie i jego kowal- nosc w takim stopniu, ze takie stopy olowiu i cynku nadaja sie bardzo dobrze do uzytku jako metale lozyskowe.Przemiana postaci cynku P powstaja¬ ca w okresie tezenia na postac a zachodzi w specjalnych warunkach, których tech¬ niczne urzeczywistnienie jest przedmiotem niniejszego wynalazku. Jak wiadomo prze¬ miana ta zachodzi tern trudniej, im czyst¬ szy jest cynk; próby wynalazcy wykaza¬ ly, ze przemiane te przyspiesza obecnosc obcych metali, lecz tylko tych, które nale¬ za do tej samej grupy ukladu perjodycz- nego lub grupy bezposrednio poprzedzaja¬ cej. Do tych metali nalezy kadm, bar, rtec, beryl, magnez i t. d. oraz miedz, lit, sód, potas i t d. Metale te dodane do stopu o- lowiu zawierajacego do 5% cynku przy¬ spieszaja pirzemiane cynku ,3 na a o ile jest zachowany jeszcze inny warunek, a mianowicie powolne ochladzanie do tern-s^ peratury przemiany. Z tego powodu ochla¬ dzanie stopu w granicach od 360° do 340°C powinno byc mozliwie powolne, przyczem stop nie powinien podlegac wstrzasnieniom, aby odlew nie byl porowaty. W tych wa¬ runkach cynk tezeje calkowicie lub prze¬ waznie w postaci a, a stop posiada wla¬ snosci wymienione powyzej tak, ze odpo¬ wiada wymaganiom stosowanym do sto¬ pów lozyskowych. PLZinc crystallizes in two forms; Most often it is a well-known variety called (3, while zinc a is obtained only under strictly defined conditions. Variation and the discovery of Chatelier; from 340 ° -360 ° C. The subject of the present invention is a lead bearing alloy containing zinc not in the P form, but in the α form, which gives said alloy properties different than zinc (3 Namely, a small addition of zinc and increases the strength lead to crushability and its smitability to such an extent that such lead-zinc alloys are very well suited for use as bearing metals. The transformation of the zinc P form, which occurs during the thesis period, into the form of a takes place under special conditions, which technically the subject of the present invention, this transformation is known to be more difficult, the purer the zinc is; the inventor's tests have shown that the transformation is accelerated by the presence of foreign metals, but only those that belong to the same group in the periodic system or the group immediately preceding it. These metals include cadmium, barium, mercury, beryllium, magnesium, etc., as well as copper, lithium, sodium, potassium, etc. When added to a lead alloy containing up to 5% zinc, these metals accelerate the zinc foams, 3 as far as possible. Yet another condition was met, namely slow cooling down to the transition temperature. For this reason, cooling of the alloy from 360 ° to 340 ° C should be as slow as possible, and the alloy should not be subjected to vibrations so that the casting is not porous. Under these conditions the zinc is wholly or mostly in the α form, and the alloy has the properties mentioned above so as to conform to the requirements applicable to the bearing alloys. PL
Claims (1)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL10089B1 true PL10089B1 (en) | 1929-04-30 |
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